A Low-power and Compact-sized Wearable Bio-impedance Monitor with Wireless Connectivity

In this paper, we present a new bio-impedance monitor for wearable and continuous monitoring applications. The system consumes less than 14.4mW when measuring impedance, and 0.9mW when idling. Its compact size (4.8cm × 3cm × 2cm) makes it suitable for portable and wearable use. The proposed system h...

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Published inJournal of physics. Conference series Vol. 434; no. 1; pp. 12013 - 4
Main Authors Lee, Seulki, Polito, Salvatore, Agell, Carlos, Mitra, Srinjoy, Firat Yazicioglu, Refet, Riistama, Jarno, Habetha, Jörg, Penders, Julien
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.01.2013
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Summary:In this paper, we present a new bio-impedance monitor for wearable and continuous monitoring applications. The system consumes less than 14.4mW when measuring impedance, and 0.9mW when idling. Its compact size (4.8cm × 3cm × 2cm) makes it suitable for portable and wearable use. The proposed system has an accuracy of 0.5Ω and resolution of 0.2Ω on both resistance (R) and reactance (X) measurements, for impedance ranging between (j0.7)Ω to (54+j5)Ω with 2.9<ϕ<5.7. We also report the results of the system validation using passive loads as human tissue model, and show our wireless and miniaturized bio-impedance monitoring system has comparable performances with a reference system.
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ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/434/1/012013